Home / 101,499,621.30-140,325,637.86-74,996,173.32

Finding the Fourth Proportional to 101,499,621.30, 140,325,637.86 and 74,996,173.32

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Solution

The fourth proportional to 101,499,621.30, 140,325,637.86 and 74,996,173.32 is: 103,683,991.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,499,621.30 : 140,325,637.86 = 74,996,173.32 : x
  2. Step 2: Convert to fraction form
    101,499,621.30/140,325,637.86 = 74,996,173.32/x
  3. Step 3: Cross multiply
    101,499,621.30x = 140,325,637.86 × 74,996,173.32
  4. Step 4: Simplify right side
    101,499,621.30x = 10,523,885,858,188,114
  5. Step 5: Solve for x
    x = 10,523,885,858,188,114/101,499,621.30
  6. Step 6: Final answer
    x = 103,683,991.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.